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Codeium

Exafunction · Free AI Code Completion

Open Codeium

A free AI coding assistant offering fast autocomplete and in-editor chat across 70+ languages and all major IDEs.

PricingFreemium
Setupeasy
Runs onDesktop · Browser extension
APINo
Open sourceNo
DocsYes
CategoryCoding
AutocompleteFreeMulti-languageIDE PluginIn-editor ChatCode Completion

Best for

Developers wanting free, fast AI autocomplete in their existing IDE without switching tools

Not ideal for

Teams needing deep multi-file reasoning or a fully AI-native editing environment

Who it's for

Developers who want free AI autocomplete without switching their existing editor

Capabilities

  • AI autocomplete across 70+ programming languages
  • In-editor AI chat assistant
  • Supports VS Code, JetBrains, Neovim, Vim, and more
  • Codebase search and context awareness
  • Fast, low-latency suggestions

Limitations

  • Enterprise features and self-hosting require a paid plan
  • Less deep multi-file reasoning than editor-native tools like Cursor
  • In-editor chat is less capable than standalone assistants
  • Self-hosted deployment requires significant infrastructure

Use cases

  • Adding AI autocomplete to any existing IDE
  • Generating code snippets across multiple languages
  • Searching and navigating large codebases
  • Explaining and documenting code inline
  • Reducing repetitive boilerplate in day-to-day coding

Integrations & fit

VS CodeJetBrainsNeovimVimEmacsAPI
Good fit forSolo / individual, Startup / small team, Enterprise
Pricing modelFreemium· Free tier available
See pricing on Codeium →

Alternatives to consider

See also: Cursor vs GitHub Copilot →
Cursor

Anysphere

Developers who want AI deeply integrated into their editing workflow with multi-file awareness

Freemium
GitHub Copilot

GitHub (Microsoft)

Developers on GitHub who want AI autocomplete and PR summaries embedded in their existing IDE

Paid

About Codeium

Codeium is an AI coding assistant developed by Exafunction, offering fast autocomplete and in-editor chat across more than 70 programming languages. Its free tier includes unlimited autocomplete, making it one of the most accessible coding AI tools for individual developers. It integrates with VS Code, JetBrains, Neovim, Vim, and other popular editors through official plugins. Codeium generates completions at multiple levels — line completions, block completions, and function-level suggestions — and its chat assistant can answer questions about the codebase, explain code, and propose refactors. It does not require users to send their code to a third-party service without explicit opt-in. For teams, Codeium for Enterprise adds custom model fine-tuning on private codebases and admin controls. It is a practical first choice for developers looking to adopt AI assistance without a paid subscription, particularly on teams where budget approval for AI tooling is slow.

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